/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.sdk.options;



import java.lang.annotation.*;



/**

 * {@link Validation} represents a set of annotations that can be used to annotate getter properties

 * on {@link PipelineOptions} with information representing the validation criteria to be used when

 * validating with the {@link PipelineOptionsValidator}.

 */

public @interface Validation {

  /**

   * This criteria specifies that the value must be not null. Note that this annotation should only

   * be applied to methods that return nullable objects.

   */

  @Target(value = ElementType.METHOD)

  @Retention(RetentionPolicy.RUNTIME)

  @Documented

  @interface Required {

    /**

     * The groups that the annotated attribute is a member of. A member can be in 0 or more groups.

     * Members not in any groups are considered to be in a group consisting exclusively of

     * themselves. At least one member of a group must be non-null if the options are to be valid.

     */

    String[] groups() default {};

  }

}